diff --git a/openmptcprouter/files/bin/blocklanfw b/openmptcprouter/files/bin/blocklanfw
index 5b476da4a..8395c731e 100755
--- a/openmptcprouter/files/bin/blocklanfw
+++ b/openmptcprouter/files/bin/blocklanfw
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+[ -e /usr/sbin/nft ] && exit 0
+
 if [ -e /usr/sbin/iptables-legacy ]; then
 	IPTABLES="/usr/sbin/iptables-legacy"
 	IP6TABLES="/usr/sbin/ip6tables-legacy"